1080272091 has 16 divisors (see below), whose sum is σ = 1480732928. Its totient is φ = 700034400.

The previous prime is 1080272087. The next prime is 1080272143. The reversal of 1080272091 is 1902720801.

It is not a de Polignac number, because 1080272091 - 2² = 1080272087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080272041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125826 + ... + 134136.

It is an arithmetic number, because the mean of its divisors is an integer number (92545808).

Almost surely, 2^1080272091 is an apocalyptic number.

1080272091 is a deficient number, since it is larger than the sum of its proper divisors (400460837).

1080272091 is a wasteful number, since it uses less digits than its factorization.

1080272091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1080272091 is about 32867.4929223389. The cubic root of 1080272091 is about 1026.0717217094.

Adding to 1080272091 its reverse (1902720801), we get a palindrome (2982992892).

The spelling of 1080272091 in words is "one billion, eighty million, two hundred seventy-two thousand, ninety-one".